The present invention is directed to a floor module for a vehicle having a floor plate, already cut to size and ready for installation, which is integrally connected to at least one mounting rail. The floor plate is preferable bonded to at least one mounting rail, which may be a seat runner for mounting seats. The floor plate can have at least one slot-shaped cut-out to receive at least one mounting rail or the floor plate can consist of a plurality of elements joined together into one part by a mounting rail arranged between them.